宍粟市（しーたん通信の情報配信）Data breach / unauthorized access incident
- Occurred on
- Unconfirmed
- Announced on
- October 13, 2026
- Severity
- AFinancial and HR records — information that easily translates into monetary damage.
- Scale
- Unknown
- Main impact
- Broadcasting on the スピーキャン delivery service used by neighborhood association heads was halted. 宍粟市 has announced a partial suspension of functions and there is said to be a possibility of information leakage.
- Information involved
- Not specified in the disclosure
- Cause / key point
- Cause under investigation.
- Industry
- Government & municipal
- Listing / capital
- Government / public body
- Sources
- Last updated
- October 20, 2026
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Reviewed byYutaro SasaoFounder & CEO, MediaLeap Inc.
CEO of MediaLeap Inc. Working on both sides of web advertising and web media since 2013; founded the company in May 2025.
Review scope: cross-checking against primary sources (official and government announcements), verifying claims stay within the facts, and checking source attribution。Last reviewed:
Written by:Leak Watch editorial team (AI-assisted drafts verified against sources by the editorial team) · Reviewer profile · Request a correction
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Attack method classification: Under investigation / not stated(Cause not disclosed)
Read the Under investigation / not stated guide and national trends →